What is the time difference between San Francisco and Delhi?

Delhi is 12 hours 30 minutes ahead of San Francisco. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.

When is the best time to call Delhi from San Francisco?

There is no time inside normal working hours in both cities, so someone has to take the call outside them. The nearest workable windows are listed above — pick one and alternate who gets the awkward slot.

Does San Francisco observe daylight saving time?

Yes. San Francisco runs on UTC-8 in winter and UTC-7 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.

Does Delhi observe daylight saving time?

No. Delhi stays on UTC+5:30 all year, so its clocks never move.

If it is midday in San Francisco, what time is it in Delhi?

It is 00:30 in Delhi, and already the following day. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.

Which time zones do San Francisco and Delhi use?

San Francisco uses America/Los_Angeles, currently UTC-7 (PDT), and Delhi uses Asia/Kolkata, currently UTC+5:30 (IST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.

Convert San Francisco time to Delhi time

Right now Delhi runs 12 hours 30 minutes ahead of San Francisco. That gap is not fixed: it moves when either city changes its clocks.

Convert a time

From

Date

Time

Converted time

—

The converter needs JavaScript to run. Everything below — offsets, daylight saving dates and the hour-by-hour table — is part of the page and works without it.

Hour by hour

The whole day mapped across: read down the left for San Francisco, across for Delhi.

San Francisco	Delhi
00:00	12:30
01:00	13:30
02:00	14:30
03:00	15:30
04:00	16:30
05:00	17:30
06:00	18:30
07:00	19:30
08:00	20:30
09:00	21:30
10:00	22:30
11:00	23:30
12:00	00:30next day
13:00	01:30next day
14:00	02:30next day
15:00	03:30next day
16:00	04:30next day
17:00	05:30next day
18:00	06:30next day
19:00	07:30next day
20:00	08:30next day
21:00	09:30next day
22:00	10:30next day
23:00	11:30next day

Daylight saving time

Delhi keeps one offset all year while San Francisco moves twice. That is the whole reason this difference is seasonal.

San Francisco

Observes daylight saving time

Standard: UTC-8
Daylight: UTC-7
Next change: 2026-11-01 −60m

Delhi

Does not observe daylight saving time

Standard: UTC+5:30

When you can actually talk

There is no hour where both cities are inside a 09:00–18:00 working day. Someone has to move — the nearest workable windows are below.

San Francisco 17:00–18:00Delhi 05:30–06:30
San Francisco 20:30–05:30Delhi 09:00–18:00

Reference

The underlying data, in case you need to put it in a calendar invitation or a configuration file.

	San Francisco	Delhi
IANA zone	America/Los_Angeles	Asia/Kolkata
Abbreviation	PDT	IST
Standard offset	UTC-8	UTC+5:30
Daylight offset	UTC-7	—
Clock changes this year	2	0
Country	United States	India

Example, not the current time. Live times appear once the page loads.

Common questions

What is the time difference between San Francisco and Delhi?: Delhi is 12 hours 30 minutes ahead of San Francisco. That figure is current — it changes by an hour when either city starts or ends daylight saving, and the exact dates are listed above.
When is the best time to call Delhi from San Francisco?: There is no time inside normal working hours in both cities, so someone has to take the call outside them. The nearest workable windows are listed above — pick one and alternate who gets the awkward slot.
Does San Francisco observe daylight saving time?: Yes. San Francisco runs on UTC-8 in winter and UTC-7 in summer. The next change is on 2026-11-01, when clocks go back by 60 minutes.
Does Delhi observe daylight saving time?: No. Delhi stays on UTC+5:30 all year, so its clocks never move.
If it is midday in San Francisco, what time is it in Delhi?: It is 00:30 in Delhi, and already the following day. That holds for the current offsets; it shifts by an hour around the daylight saving dates listed above.
Which time zones do San Francisco and Delhi use?: San Francisco uses America/Los_Angeles, currently UTC-7 (PDT), and Delhi uses Asia/Kolkata, currently UTC+5:30 (IST). Those identifiers are the ones to use in code — abbreviations are ambiguous and offsets change.